9-letter words containing a, p
- adeptness — very skilled; proficient; expert: an adept juggler.
- adiaphora — matters of indifference
- adipocere — a waxlike fatty substance formed during the decomposition of corpses
- adipocyte — a fat cell that accumulates and stores fats
- adipokine — (biochemistry) Any of several cytokines secreted by adipose tissue.
- adiposity — the state of being fat; obesity
- adminship — The role of an administrator; administratorship.
- adoptable — able to be adopted
- adoptions — Plural form of adoption.
- adoptious — adopted
- aeolipile — a device illustrating the reactive forces of a gas jet: usually a spherical vessel mounted so as to rotate and equipped with angled exit pipes from which steam within it escapes
- aepyornis — any of the large extinct flightless birds of the genus Aepyornis, remains of which have been found in Madagascar
- aerograph — a device formerly used to make descriptions of the character of the upper atmosphere
- aeropause — the region of the upper atmosphere above which aircraft cannot fly
- aerophile — (biology) Any air-breathing organism.
- aerophobe — a person who suffers from aerophobia
- aerophone — any musical instrument in which sound is produced by air vibrations
- aerophore — a device which supplies oxygen in order to aid breathing
- aerophoto — aerial photograph.
- aerophyte — epiphyte.
- aeroplane — An aeroplane is a vehicle with wings and one or more engines that enable it to fly through the air.
- aeropulse — a pulsejet engine
- aeroscope — a device that collects bacteria from the air, used for observing the atmosphere
- aerospace — Aerospace companies are involved in developing and making rockets, missiles, space vehicles, and related equipment.
- aerospike — a type of rocket engine
- afterclap — an unexpected, usually unwanted, repercussion of or sequel to an affair which had been thought to be closed
- afterdamp — a poisonous mixture of gases containing carbon dioxide, carbon monoxide, and nitrogen formed after the explosion of firedamp in coal mines
- afterpain — any pain that follows its cause only after a certain delay
- afterpart — A rear part.
- afterpeak — the space behind the aftermost bulkhead, often used for storage
- age group — An age group is the people in a place or organization who were born during a particular period of time, for example all the people aged between 18 and 25.
- age-group — persons of approximately the same age and often of the same sex, nationality, educational or social background, etc.
- age-proof — not adversely affected by a person's age
- agrippina — called the Elder. c. 14 bc–33 ad, Roman matron: granddaughter of Augustus, wife of Germanicus, mother of Caligula and Agrippina the Younger
- air corps — (before July 26, 1947) a branch of the U.S. Army concerned with military aviation.
- air plant — an epiphyte, esp an orchid of the large Old World tropical genus Aerides, grown for its white scented flowers spotted with red, purple, or rose, or a bromeliad, esp of the genus Tillandsia
- air power — A nation's air power is the strength of its air force.
- air scoop — a device fitted to the surface of an aircraft to provide air pressure or ventilation from the airflow
- air space — a space occupied by air.
- air spray — pertaining to compressed-air spraying devices or to liquids used in them.
- air-spray — pertaining to compressed-air spraying devices or to liquids used in them.
- airplanes — Plural form of airplane.
- airstrips — Plural form of airstrip.
- al capone — Al(phonse) ("Scarface") 1899–1947, U.S. gangster and Prohibition-era bootlegger, probably born in Italy.
- alappuzha — a port in SW Kerala, in S India, on the Arabian Sea.
- albertype — collotype.
- aleph-bet — the Hebrew alphabet
- alepidote — (of a fish) not having scales.
- ali pasha — known as the Lion of Janina. 1741–1822, Turkish pasha and ruler of Albania (1787–1820), who was deposed and assassinated after intriguing against Turkey
- aliphatic — (of an organic compound) not aromatic, esp having an open chain structure, such as alkanes, alkenes, and alkynes